myjas inverter battery water level float indicator cap set white 30mm thread size Height Gauge

Best Quality Suitable for most of the inverter batteries Large size(30 mm Best battery water level indicator cap for lead acid batteries. home inverter batteries of all brands No assembly required. Simply replace the battery caps with this water indicator. It will show you maximum level and minimum level of battery water. So you can refill the water as required and your battery will run for longer term.